SB 3.12.44 — The science of logical argument, the Vedic goals of life, and also law and order, moral codes and the celebrated hymns bhūḥ, bhuvaḥ and svaḥ all became manifested from the mouths of Brahmā, and the praṇava oṁkāra was manifested from his heart.
SB 3.12.45 — Thereafter the art of literary expression, uṣṇik, was generated from the hairs on the body of the almighty Prajāpati. The principal Vedic hymn, gāyatrī, was generated from the skin, triṣṭup from the flesh, anuṣṭup from the veins, and jagatī from the bones of the lord of the living entities.
SB 3.12.46 — The art of writing verse, paṅkti, became manifested from the bone marrow, and that of bṛhatī, another type of verse, was generated from the life-breath of the lord of the living entities.
SB 3.12.47 — Brahmā’s soul was manifested as the touch alphabets, his body as the vowels, his senses as the sibilant alphabets, his strength as the intermediate alphabets and his sensual activities as the seven notes of music